Solar-powered lamp



FIG. 1 is a perspective view of a solar-powered lamp showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is another perspective view thereof.

The symbolic break in the drawings indicates the appearance of any portion of the article between the break lines forms no part of the claimed design. 

CLAIM The ornamental design for a solar-powered lamp, as shown and described. 